Half to



(No Model.)

, M. ZILLES.

DIAPHRAGM VALVE.

Patented June 28, 1887.

N. PETERS, Phnlo-L'rlhagraphen wnmn r n. 0.0.

UNITED STATES PATENT OFFICE,

MICHAEL ZILLES, OF PASSAIO, NEXV JERSEY, ASSIGNOR OF ONE-HALF TO AUGUSTKRAMER, OF SAME PLACE.

DIAPHRAGM VALVE.

SPECIFICATION forming part of Letters Patent No. 365,767, dated June 28,18187.

Application filed July 28, 1886. Serial No. 209,327. (No model.) I

To aZZ whom it may concern.- vided at its outer end with a hand-wheel, 0

Be it known that I, MICHAEL ZI'LLES, of and which is swiveled at itsinner end by an 55 Passaic, in the county of Passaie and State ofannular groove to the hub of a metallic disk i New Jersey, have inventedcertain new and or saddle-plate, D, which is applied to the rub- 5uset'nl Improvements in Diaphragm-Valves, ber diaphragm O by means of anannular of which the following is a specification. flanged collar, I),that is made integral with This invention relates to an improved diathediaphragm (J, and re-enforced by a me- 60 phragm-valve which isspecially designed to tallic washer, e, that is riveted to the top of beused as avalve or stop-cock for pipes which the collar 1)". The collarIf serves to connect :0 convey acids or other chemicals that exert a thediaphragm B to the disk D, so that the corrosive action on the metallicor other parts; screw-spindle G can raise or lower the dia and theinvention consists of a diaphragmphragm, according as the same is raisedor 6 valve in which a rubber diaphragm is tilted lowered in the yoke orcasing B. The diaby ringshaped washers to an exterior flanged phragm canthus be pressed tightly on the [5 cylinder and pressed on the valve-seatof the seat of the interiorportion, A", or moved away conveying-pipe. Ascrew spindle that passes from the same, so as to interrupt or establishthrough a fixed yoke is connected by a methe flow of the acid or otherchemicals from ,0 tallic disk with a ring-shaped collarat the upone sideof the pipe A through the interior per side of the diaphragm, so as toopen or valve-cylinder, A, to the other side of the 2: close the same,said collar being l'nadeintegral pipe without coming in contact withmetallic therewith and re-enforced by a metallic washer or othercorrosive parts. When the diaphragm attached thereto, as will appearmore fully is worn out by use, it is replaced by a new one, 7hereinafter, and finally be pointed out in the which is readilyaccomplished by unscrewing claim. the yoke and attaching a new diaphragmto 25 In the accompanying drawings, Figure 1 the flanged exteriorvalve-cylinder, A. With represents a vertical longitudinal section ofeach valve a number of diaphragms may be my improved diaphragmvalve forpipes confurnished, so that the valve can be used for a 80 veying acidsor other chemicals; and Fig. 2 considerable length of time. It isspecially is a plan of the same, partly in horizontal seeuseful for covey g ac ds 0 other chemicals 0 tion on line 00 m, Fig. 1. inpetroleum-distilleries, chemical.-lactories,

Similar letters of reference indicate corre- &c., as it has no corrosiveparts which can do sponding parts' teriorate by the action of thechemicals. 8'; A in the drawings represents a pipe-section, Having thusdescribed my invention, I claim which is made of lead or other suitablenonas new and desire to secure by Letters Patent.

3 5 corrosive metal, and coupled in any approved The combination of a pipesection having a manner to the connecting pipe-sections. The flangedexterior valve portion, an interior pipe-section A is provided with acylindrical valve-seat concentric to said exterior portion, c

portion, A, at right anglcsthereto, and inside a flexiblediaphragmattached to the exterior of the same with a second cylindrical portion,portion, a yoke or valve-casing, a screwspino A", concentric to theouter portion, A, which dle passing through the yoke or easing, a diskinner portion extends atone side from the upswiveled to the inner end ofthe screw-spindle, per part of the pipe-section A to the other and anannular collar made integral with the 9; side at thebottom of the same,as shown in diaphragm and sprung over the disk, so as Fig. 1. The outercylindrical portion, A, is to establish connection between the spindle 5provided with an outwardly'bent flange, a, and diaphragm, substantiallyas set forth.

while the inner portion, A is provided with In testimony that I claimthe foregoing as an enlarged rim or seat, b. A rubber diamy invention Ihave signed my name in pres- 10o phragm, O, rests on the seat I), and isattached ence of two subscribing witnesses. to theflange a by ringshaped washers d d and I MICHAEL ZILLES o fastening screw-bolts d, whichalso serve to attach a yoke or casing, B, of suitable metal. Witnesses:

Through the middle part of the yoke or eas- PAUL GoEPEL, ing B passes ascrew-spindle, O, which is pro- SIDNEY MANN.

